Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Magnetron ·Magnetron

2J34

Fixed-frequency pulsed magnetron oscillator operating around 2.72 GHz.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 15 A

Description

Fixed-frequency pulsed magnetron oscillator around 2.72 GHz.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
15 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Magnetron

X-ray radiationInterelectrode capacitances
Max plate voltage
20000 V
Max plate dissipation
350 W
Max cathode current
30 A

Published ratings and characteristics promoted where clearly stated.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal value

  • Heater or filament current

    1.5 A

    Published nominal value

  • Operating frequency

    2720 MHz

    Published nominal frequency

  • Magnetic field strength

    1800 gauss

    Published operating value

Other

  • RF power output

    240 W

    Published operating condition

  • Maximum anode voltage

    22000 V

    Published maximum or peak rating

  • Maximum anode current

    30 A

    Published peak rating

  • Maximum anode dissipation

    350 W

    Published rating

Data set 02

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Magnetron

Characteristic

  • Frequency range

    2700 to 2740 MHz

Other

  • Typical peak output power

    300 kW

    Pulse

  • Typical peak anode voltage

    20 kV

    Pulse

  • Typical peak anode current

    30 A

    Pulse

  • Duty cycle

    0.001

    Pulse

  • Heater voltage

    6.3 V

  • Heater current

    15 A

  • Minimum cathode heating time

    2 min

  • Magnetic field

    1900 gauss